# Metformin Works in the Brain, Not the Liver—60 Years of Research Were Wrong - Date: 2026-03-25 - Category: Biotech & Life Sciences Sixty years into its clinical life, metformin still had a secret. Researchers at Baylor College of Medicine, working with collaborators at Louisiana State University, Nagoya University, and Meiji University in Japan, have found that metformin — the world's most prescribed diabetes drug — works i... ---